Mettler Toledo M400 Especificações descarregar pdf (Página 57)

Transmitter M400 57

Printed in Switzerland 52 121 378

The display shows the slope calibration factor S and the offset calibration factor Z.

In case of a successful calibration, the calibration values are stored in the cal history* and taken

over (Adjust), stored in the cal history* and not taken over (Calibrate) or discarded (Abort).

If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration successful” is displayed. In any

case you will get the message ”Re-install sensor” and ”Press ENTER” on the display. After press-

ing ”ENTER” the M400 returns to the measuring mode.

7.6.3 Process calibration

Enter pH calibration mode as described in section 7.1 “Enter Calibration Mode”.

Select Process calibration. With pH sensors a process calibration is always performed as a off-

set calibration.

Take a sample and press the [ENTER] key again to store the current measuring Value. To show

the ongoing calibration process, A or B (depending on the channel) is blinking in the display.

After determining the pH value of the sample, press the [CAL] key again to proceed with the cali-

bration.

Enter the pH value of the sample then press the [ENTER] key to start the calculation of the cali-

bration results.

After the calibration the slope calibration factor S and the offset calibration factor Z are displayed.

In case of a successful calibration, the calibration values are stored in the cal history* and taken

over (Adjust), stored in the cal history* and not taken over (Calibrate) or discarded (Abort).

* only available with ISM sensor. The values will be stored in the sensor.

If ”Adjust” or ”Calibrate” are chosen, the message ”Calibration successful” is displayed. The

M400 returns to the measuring mode.

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Mettler Toledo M400 Especificações Página 57